Chief Cabinet Secretary

The  is a member of the cabinet and is the leader and chief executive officer of the Cabinet Secretariat of Japan.Cabinet Act, Article 13. They are also a  member of the National Security Council, and is appointed by the Emperor upon the nomination by the Prime Minister.Cabinet Act, Article 15 

The Chief Cabinet Secretary is the second in line of succession to the Prime Minister, unless the office of Deputy Prime Minister is being used.Cabinet Act, Article 9 

Background
Since 1947, the office of Chief Cabinet Secretary has been seen as the job to have before wanting to become Prime Minister. The first Chief Cabinet Secretary to become Prime Minister was Ichirō Hatoyama. Since then, eight other former Chief Cabinet Secretaries have become Prime Ministers, most recently Shinzō Abe, Yasuo Fukuda, and Yoshihide Suga.

Yoshihide Suga, who later became Prime Minister of Japan, was Chief Cabinet Secretary under Shinzo Abe for almost eight years, making him the longest-serving Chief Cabinet Secretary in history.

 List of chief cabinet secretaries 
 Shōwa era 

Chief Cabinet SecretaryTerm of officePrime MinisterPortraitNameTook officeLeft officeDays100pxJōji HayashiMay 3, 1947May 24, 1947 Shigeru Yoshida100pxSuehiro NishioJune 1, 1947March 10, 1948 Tetsu Katayama100pxGizō TomabechiMarch 10, 1948October 15, 1948 Hitoshi Ashida100pxEisaku SatōOctober 17, 1948February 16, 1949 Shigeru Yoshida100pxKaneshichi MasudaFebruary 16, 1949May 6, 1950 100pxKatsuo OkazakiMay 6, 1950December 26, 1951 100pxShigeru HoriDecember 26, 1951October 30, 1952 100pxTaketora OgataOctober 30, 1952May 21, 1953 100pxKenji FukunagaMay 21, 1953December 10, 1954 100pxRyutarō NemotoDecember 10, 1954November 22, 1955 Ichirō HatoyamaNovember 22, 1955December 23, 1956100pxHirohide IshidaDecember 12, 1956July 10, 1957 Tanzan IshibashiNobusuke Kishi100pxKiichi AichiJuly 10, 1957June 12, 1958 100pxMunenori AkagiJune 12, 1958June 18, 1959 100pxEtsusaburō ShiinaJune 18, 1959July 19, 1960 100pxMasayoshi ŌhiraJuly 19, 1960July 18, 1962 Hayato Ikeda100pxYasumi KuroganeJuly 18, 1962July 18, 1964 100pxZenkō SuzukiJuly 18, 1964November 9, 1964 100pxTomisaburō HashimotoNovember 9, 1964August 1, 1966 Eisaku Satō100pxKiichi AichiAugust 1, 1966December 3, 1966 100pxKenji FukunagaDecember 3, 1966June 22, 1967 100pxToshio KimuraJune 22, 1967November 30, 1968 100pxShigeru HoriNovember 30, 1968July 5, 1971 100pxNoboru TakeshitaJuly 5, 1971July 7, 1972 100pxSusumu NikaidōJuly 7, 1972November 11, 1974 Kakuei Tanaka100pxNoboru TakeshitaNovember 11, 1974December 9, 1974 100pxIchitarō IdeDecember 9, 1974December 24, 1976 Takeo Miki100pxSunao SonodaDecember 24, 1976November 28, 1977 Takeo Fukuda100pxShintaro AbeNovember 28, 1977December 7, 1978 100pxRokusuke TanakaDecember 7, 1978November 9, 1979Masayoshi Ōhira100pxMasayoshi ItoNovember 9, 1979July 17, 1980 Himself (Acting)100pxKiichi MiyazawaJuly 17, 1980November 27, 1982 Zenkō Suzuki100pxMasaharu GotōdaNovember 27, 1982December 27, 1983 Yasuhiro Nakasone100pxTakao FujinamiDecember 27, 1983December 28, 1985 100pxMasaharu GotōdaDecember 28, 1985November 6, 1987 100pxKeizō ObuchiNovember 6, 1987January 7, 1989 Noboru Takeshita

Heisei era

Chief Cabinet SecretaryTerm of officePrime MinisterPortraitNameTook officeLeft officeDays100pxKeizō ObuchiJanuary 8, 1989June 3, 1989 Noboru Takeshita100pxMasajuro ShiokawaJune 3, 1989August 10, 1989 Sōsuke Uno100pxTokuo YamashitaAugust 10, 1989August 26, 1989 Toshiki Kaifu100pxMayumi MoriyamaAugust 26, 1989February 28, 1990 100pxFebruary 28, 1990November 5, 1991 100pxKoichi KatoNovember 5, 1991December 12, 1992 Kiichi Miyazawa100pxYōhei KōnoDecember 12, 1992August 9, 1993 100pxMasayoshi TakemuraAugust 9, 1993April 28, 1994 Morihiro Hosokawa100pxApril 28, 1994June 30, 1994 Tsutomu Hata100pxKozo IgarashiJune 30, 1994August 8, 1995 Tomiichi Murayama100pxKoken NosakaAugust 8, 1995January 11, 1996 100pxSeiroku KajiyamaJanuary 11, 1996September 11, 1997 Ryutaro Hashimoto100pxSeptember 11, 1997July 30, 1998 100pxHiromu NonakaJuly 30, 1998October 10, 1999Keizo Obuchi100pxMikio AokiOctober 10, 1999July 4, 2000 Yoshiro Mori100pxHidenao NakagawaJuly 4, 2000October 27, 2000 100pxYasuo FukudaOctober 27, 2000May 7, 2004 Junichiro Koizumi100pxHiroyuki HosodaMay 7, 2004October 31, 2005 100pxShinzo AbeOctober 31, 2005September 26, 2006 100pxYasuhisa ShiozakiSeptember 26, 2006August 27, 2007 Shinzo Abe100pxKaoru YosanoAugust 27, 2007September 26, 2007 100pxNobutaka MachimuraSeptember 26, 2007September 24, 2008 Yasuo Fukuda100pxTakeo KawamuraSeptember 24, 2008September 16, 2009 Taro Aso100pxHirofumi HiranoSeptember 16, 2009June 8, 2010 Yukio Hatoyama100pxYoshito SengokuJune 8, 2010January 4, 2011 Naoto Kan100pxYukio EdanoJanuary 4, 2011September 2, 2011 100pxOsamu FujimuraSeptember 2, 2011December 26, 2012 Yoshihiko Noda100pxYoshihide SugaDecember 26, 2012April 30, 2019 Shinzo Abe

Reiwa era

Chief Cabinet SecretaryTerm of officePrime MinisterPortraitNameTook officeLeft officeDays100pxYoshihide SugaMay 1, 2019September 16, 2020Shinzo Abe100pxKatsunobu KatōSeptember 16, 2020October 4, 2021Yoshihide Suga100pxHirokazu MatsunoOctober 4, 2021December 14, 2023Fumio Kishida100pxYoshimasa HayashiDecember 14, 2023October 1, 2024October 1, 2024October 21, 2025Shigeru Ishiba100pxMinoru KiharaOctober 21, 2025IncumbentSanae Takaichi

Notes

References

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